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Communications device

A communication device and communication mode technology, applied in wireless communication, short-distance communication service, sustainable communication technology, etc., can solve problems such as expensive devices and slow low-power circuits

Pending Publication Date: 2020-12-18
NXP BV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Trying to use very low power devices is another approach, but such devices are usually more expensive
These techniques can also inadvertently delay communication by adding a time delay to the polling routine and / or lower power circuits are also slower

Method used

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  • Communications device
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Examples

Experimental program
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Effect test

Embodiment Construction

[0028]Now discuss an example embodiment of a communication device that uses a first transceiver with a longer communication range / distance (eg, passive, UHF and / or energy harvesting radios) to wake up a second transceiver with a shorter communication range (For example, active / higher power / high bandwidth / high data rate, near field radio).

[0029]Using the wake-up signal, the second transceiver in this type of communication device may have been activated and ready to communicate before other communication devices / nodes / etc. are even within the range / distance of the smaller second device.

[0030]However, in order to save energy and / or improve safety, the second transceiver can be placed in the disconnect / standby / low power mode when the other communication device is far beyond the range / distance of the smaller second device ( Instead of always on).

[0031]In some example embodiments, the first transceiver includes a UHF / RFID reader / tag combination that wakes up the second NFMI / high bandwidth...

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PUM

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Abstract

One example discloses a first communications device, including: a first transceiver; a second transceiver; wherein the first transceiver is configured as responsive to a third transceiver in a secondcommunications device; wherein the second transceiver is configured as responsive to a fourth transceiver in the second communications device; wherein the second transceiver has a lower-power state and a higher-power state; wherein the first and third transceivers communicate within a first distance at a first data-rate; wherein the second and fourth transceivers communicate within a second distance at a second data-rate; wherein the first distance is greater than the second distance; wherein the first data-rate is less than the second data-rate; and wherein the first communications device isconfigured to switch the second transceiver from the lower-power state to the higher-power state in response to the first transceiver first detecting a signal from the third transceiver in the secondcommunications device.

Description

Technical field[0001]This specification relates to systems, methods, equipment, devices, products and instructions for communication.Background technique[0002]Wearable, mobile and various Internet of Things / Internet of Everything (IoT / E) devices are limited by energy, but still need to collect, process, protect, and transmit data. Of these at least three requirements, security and communication tend to be the most energy-intensive.[0003]Handshakes used to authenticate such devices through other networked devices (e.g., edge nodes, computers, smart phones, servers, etc.) generally require that the devices are always powered on for communication. This always-on requirement is of a constant energy consumption type, even if such devices do not need to communicate for a considerable period of time.[0004]Time synchronization (for example, communicating only at a preset time) and polling (for example, repeatedly waking up and polling the environment to detect the creator node) are some att...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B1/40H04B1/401H04W76/10
CPCH04B1/40H04B1/401H04W76/10H04W52/0209H04W52/0225H04W52/0229H04W88/06H04W52/0251H04W52/0254H04W4/80H04W72/0453Y02D30/70H04B5/45H04B5/22H04B5/26H04B1/50H04B2001/0416H04W52/18H04B5/72H04B5/73
Inventor 阿克塞尔·纳克尔特斯
Owner NXP BV